World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
78
Citations
22005
World Ranking
4539
National Ranking
2208

Overview

Harold J. Evans is affiliated with Oregon State University in the United States. Their research spans the field of Psychology, with a particular focus on Clinical Psychology and Public Health, Environmental and Occupational Health.

The scientist's recent publications highlight work in areas related to grief, bereavement, mental health, and palliative care. Among the documented papers are:

  • 6 Routine bereavement calls in an in patient unit, 2025, Poster presentations
  • ADRUK Ingest Improvement Task and Finish Group: Smoothing the ingest of data, 2025, International Journal for Population Data Science

Co-authors frequently collaborating with Harold J. Evans include:

  • Annell Prosser
  • L. Z. Cooper
  • Clare Turner
  • Jordan W. Bishop
  • Linus Chirchir

The venues where these works have been published or presented demonstrate a range of engagement with both academic and applied research communities. Notable publication venues are:

  • Poster presentations
  • International Journal for Population Data Science

The main topics in the scientist's research are:

  • Grief, Bereavement, and Mental Health
  • Migration, Health and Trauma
  • Palliative Care and End-of-Life Issues

Harold J. Evans's contributions integrate clinical perspectives and public health considerations, focusing on the intersection of psychological well-being and health care provision in contexts involving serious illness and end-of-life care. This multidisciplinary approach is reflected in the range of publication venues and collaborative relationships.

Best Publications

  • Enzymatic reactions of ascorbate and glutathione that prevent peroxide damage in soybean root nodules

    David A. Dalton;Sterling A. Russell;F. J. Hanus;Gary A. Pascoe

  • Hydrogen evolution: A major factor affecting the efficiency of nitrogen fixation in nodulated symbionts.

    Karel R. Schubert;Harold J. Evans

  • Pyridine Nucleotide-Nitrate Reductase from Extracts of Higher Plants.

    Harold J. Evans;Alvin Nason

  • Triphosphopyridine nucleotide-nitrate reductase in Neurospora.

    Alvin Nason;Harold J. Evans

  • Hydrogenase in Rhizobium japonicum Increases Nitrogen Fixation by Nodulated Soybeans

    Steve L. Albrecht;Robert J. Maier;F. Joe Hanus;Sterling A. Russell

  • Hydrogen-Dependent Nitrogenase Activity and ATP Formation in Rhizobium japonicum Bacteroids

    David W. Emerich;Tomás Ruiz-Argüeso;Te May Ching;Harold J. Evans

  • Cobalt : a micronutrient element for the growth of soybean plants under symbiotic conditions.

    Shaukat Ahmed;Harold J. Evans

  • Poly-β-hydroxybutyrate Utilization by Soybean (Glycine max Merr.) Nodules and Assessment of Its Role in Maintenance of Nitrogenase Activity

    Peter P. Wong;Harold J. Evans

  • Reduction of Acetylene to Ethylene by Soybean Root Nodules

    Burton Koch;Harold J. Evans

  • Preparation and some properties of a soluble nitrate reductase from Rhizobium japonicum

    R.H. Lowe;H.J. Evans

  • Relation between Glutamine Synthetase and Nitrogenase Activities in the Symbiotic Association between Rhizobium japonicum and Glycine max.

    Paul E. Bishop;Juan G. Guevara;Jean A. Engelke;Harold J. Evans

  • Autotrophic growth of H2-uptake-positive strains of Rhizobium japonicum in an atmosphere supplied with hydrogen gas.

    F. Joe Hanus;Robert J. Maier;Harold J. Evans

  • Purification, Properties, and Distribution of Ascorbate Peroxidase in Legume Root Nodules

    Dalton Da;Hanus Fj;Russell Sa;Evans Hj

  • Biological nitrogen fixation for food and fiber production.

    Harold J. Evans;Lynn E. Barber

  • Physiology, Biochemistry, and Genetics of the Uptake Hydrogenase in Rhizobia

    H J Evans;A R Harker;H Papen;S A Russell

  • Hydrogen production and uptake by pea nodules as affected by strains of Rhizobium leguminosarum

    Tomas Ruiz-Argüeso;Joe Hanus;Harold J. Evans

  • Expression of hydrogenase activity in free-living Rhizobium japonicum

    Robert J. Maier;Norman E. R. Campbell;Frank J. Hanus;Frank B. Simpson

  • Nickel: A micronutrient element for hydrogen-dependent growth of Rhizobium japonicum and for expression of urease activity in soybean leaves.

    Robert V. Klucas;F. Joe Hanus;Sterling A. Russell;Harold J. Evans

  • Nitrogen fixation by free-living Rhizobium in a defined liquid medium.

    John Tjepkema;Harold J. Evans

  • Hydrogen Reactions of Nodulated Leguminous Plants: II. Effects on Dry Matter Accumulation and Nitrogen Fixation.

    Karel R. Schubert;Nancy T. Jennings;Harold J. Evans

Frequent Co-Authors

Alvin Nason
Alvin Nason Johns Hopkins University
Johanna Döbereiner
Johanna Döbereiner Brazilian Agricultural Research Corporation
Janet I. Sprent
Janet I. Sprent University of Dundee
Hans Papen
Hans Papen Karlsruhe Institute of Technology
F. R. Minchin
F. R. Minchin Aberystwyth University

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